Gender-based violence is a social scourge with an increasing incidence at younger ages. Many studies have focused on finding effective solutions for overcoming this problem; however, few studies have analyzed the contribution of interactive learning environments to gender-based violence prevention. This article attempts to fill this gap by showing the impact of Dialogic Feminist Gatherings on the preventive socialization against gender-based violence toward adolescent girls (aged 15-18) who are in out-of-home care and living in shelters¿part of the institutional protection system¿for different reasons that are primarily associated with violence and a lack of family protection. This qualitative study was conducted using the communicative methodology involving fifteen daily life stories that analyze the dialogues and reflections produced among the girls during Dialogic Feminist Gatherings. The results show the acquisition of competencies in aspects such as attraction, election, and equality in sexual-affective relationships. These dimensions, when developed through Dialogic Feminist Gatherings, are consistent with the scientific literature that characterized them as protective factors against gender-based violence. This study concludes by contrasting participants' daily life reality with scientific evidence, which makes possible new methods of the preventive socialization against gender-based violence for adolescent girls in out-of-home care.